HiSiaddi is an innovative foreign trade service provider driven by dual engines of technology transformation and foreign trade services. We have established a "1+2+3+4=1" service system and can supply raw materials of Coriolus Versicolor Extract from multiple well-known original manufacturers. As a foreign trade enterprise with independent R&D capabilities, HiSiaddi has repeatedly resolved customized demand issues for clients by leveraging technological cooperation with manufacturers and precise market insight. Below is a case study demonstrating how HiSiaddi delivered customized solutions for Coriolus Versicolor Extract.
Please contact HiSiaddi customer service if you require further customized services.
The buyer is BioWell Pharmaceutical Co., Ltd., headquartered in Tokyo, Japan — a mid-to-high-end pharmaceutical enterprise specializing in tumor adjuvant dietary supplements and immune-regulating hospital-exclusive products. Its Coriolus Versicolor Polysaccharide Soft Capsules and medical oral liquids are exclusively supplied to premium private hospitals, organic pharmacy chains and high-end wellness clubs across Japan. Its products comply with Japan’s JFSL food safety standards, EU EC396 regulation covering 226 pesticide residue items, USP Pharmacopoeia, REACH chemical regulations and raw material access specifications issued by Japan’s Ministry of Health, Labour and Welfare (MHLW).
The company previously imported pharmaceutical-grade Coriolus Versicolor Extract from Finland year-round. However, European raw material supply shortages, surging shipping costs and extended lead times prompted it to launch a customized procurement project in China in 2025, with an annual total procurement volume of 13.7 tons split into two customized specifications:
1. Refined powder for pharmaceutical capsules: Total Coriolus Versicolor polysaccharides ≥30%, β-glucan ≥18%, no exogenous fillers such as maltodextrin or starch, methanol residue ≤2500 ppm;
2. Cold-water-soluble modified powder for oral liquids: Low-temperature water solubility, no precipitation or stratification after 90 days of storage at 4°C, compatible with sterile oral liquid production lines.
Mandatory raw material requirement: Wild-simulated Coriolus Versicolor fruiting bodies cultivated under forests in Changbai Mountain, Northeast China; cheap artificially cultivated fungi grown in greenhouses are prohibited.
The client independently contacted three domestic plant extract manufacturers for sampling and trial production at the early stage. Seven batches of samples were sent to authoritative third-party institutions in Japan for testing and pilot production in the client’s GMP workshop, yet five major customization challenges emerged consecutively: mixing greenhouse-grown fungi with forest-cultivated Coriolus Versicolor, degradation of thermosensitive glucans caused by high-temperature extraction, severe fluctuation of polysaccharide indicators, lack of differentiated powder processing capacity, and incomplete China-Japan dual compliance documents. The new product launch was delayed by 71 days, with total losses from discarded samples, production line shutdowns and third-party testing equivalent to 3.26 million Japanese Yen.
Most domestic manufacturers prioritize generic low-cost greenhouse-cultivated Coriolus Versicolor crude powder and adopt traditional high-temperature water extraction processes. They lack capabilities in designated sourcing of forest-grown raw materials, low-temperature staged refining and powder modification, making it impossible to meet non-standard customized indicators. Upon recommendation by the Japan Natural Raw Materials Industry Association, the client fully entrusted HiSiaddi to oversee the entire workflow: designated forest Coriolus Versicolor raw material sourcing → customized low-temperature extraction and refining → differentiated powder modification for different dosage forms → full supporting China-Japan cross-border compliance documentation.
Manufacturers randomly mixed intensively cultivated greenhouse Coriolus Versicolor and wild-simulated forest Coriolus Versicolor from Changbai Mountain for raw material feeding. Forest-grown premium Coriolus Versicolor features an intrinsic polysaccharide base of 12%–14%, while greenhouse rapid-cycle fungi only reach 5%–7%. Feeding ratios were adjusted arbitrarily based on cost fluctuations, resulting in unstable total polysaccharide levels ranging from 23% to 32% in finished products, with β-glucan mostly below 15% — failing to hit the customized minimum threshold of 18%. HPLC chromatograms showed messy impurities, preventing the Japanese pharmaceutical plant from fixing feeding coefficients; active ingredient content in mass-produced capsules fluctuated drastically, leading to seizure of multiple batches during random inspections by Japan’s MHLW. Greenhouse cultivation imposes loose pesticide residue control, with certain pesticide residue indicators approaching the limit set by Japan’s JFSL standard.
β-glucan is a thermosensitive active component prone to hydrolytic cleavage at temperatures above 70°C. Conventional manufacturers adopt prolonged boiling extraction at over 90°C, causing β-glucan degradation losses exceeding 33%. Even with 100% premium forest-grown Coriolus Versicolor as feedstock, key indicators still fail to meet standards. Open extraction tanks lack closed solvent recovery systems, leading to methanol residues generally exceeding 5200 ppm — far above the client’s internal control limit of 2500 ppm. This triggers gelatin shell swelling and leakage during soft capsule filling, pushing the rejection rate up to 28%.
Factories only produce unified crude extract powder without modification processes:
· For capsule production: Uneven particle size of powder with an angle of repose exceeding 48°, causing bridging and caking during automatic filling and frequent line shutdowns for cleaning; single capsule content error exceeds 8%.
· For oral liquid production: Crude powder barely dissolves in cold water, forming off-white flocculent precipitates after one week of low-temperature storage and disrupting the colloidal system of beverages.
The client’s oral liquid formula combines Coriolus Versicolor extract with zinc yeast and vitamins. Crude extracts retain large amounts of macromolecular protein and crude fiber impurities, which gradually flocculate during storage. The liquid turns light brown to dark brown after 40 days at ambient temperature, failing to meet Japan’s 24-month shelf-life requirement. Multiple adjustments to auxiliary material ratios failed to eliminate the root cause.
Japan’s MHLW mandates supporting documents including GAP cultivation ledgers for Changbai Mountain bases, field plant protection records, dual-standard SGS pesticide residue test reports compliant with JFSL and EC396, English COAs, and REACH registration documents. Original manufacturers only provided simple domestic self-inspection certificates with complete gaps in traceability and compliance archives, exposing shipments to high risks of seizure and return upon arrival at Japanese ports.
HiSiaddi assembled a team of plant extract engineers, China-Japan compliance specialists and third-party testing coordinators, locked in compliant Changbai Mountain bases and supporting refining factories, and conducted repeated debugging across three phases: lab small samples, 60kg pilot trials and mass production.
HiSiaddi conducted on-site inspections of wild-simulated standardized cultivation cooperatives under forests in Fusong, Changbai Mountain, Jilin Province, and signed annual exclusive supply agreements with three cooperatives. Harvests are limited to fully mature mushrooms picked manually in late autumn, with moldy and premature greenhouse fungi manually sorted out. Each batch is accompanied by field pesticide application ledgers and origin certificates. Raw materials are tested for intrinsic polysaccharide base upon arrival; entire batches with base levels below 11% are rejected, completely eliminating adulteration with cheap greenhouse fungi.
The high-temperature boiling process was replaced with 42°C low-temperature staged percolation, gradient ethanol extraction, negative-pressure low-temperature concentration and two-stage resin impurity removal, with the full production process conducted in closed and light-shielded environments. β-glucan degradation is controlled within 5%. Resins remove protein and crude fiber impurities, yielding finished products with stable total polysaccharides of 30.1%–30.9% and β-glucan of 18.2%–18.8%. A closed distillation recovery system is deployed to strictly cap methanol residues at ≤2350 ppm, complying with Japanese limits.
1. Refined pharmaceutical powder for capsules: Low-temperature vacuum drying + nitrogen gas jet micronization, delivering an angle of repose of 33°±2°, excellent powder flowability with no additional auxiliary materials, fully compatible with automatic capsule filling equipment.
2. Cold-water-soluble modified powder for oral liquids: Low-temperature β-cyclodextrin inclusion modification without added starch or maltodextrin, achieving instant full dissolution in cold water with zero precipitation or stratification after 90 days of storage at 4°C.
Multi-stage resin treatment removes oxidation-promoting macromolecular impurities from raw materials. HiSiaddi coordinated with the client’s Japanese R&D team to optimize feeding procedures: separate pre-mixing and staged feeding of Coriolus Versicolor extract, trace elements and vitamin complexes to block impurity-catalyzed oxidation. Accelerated stability testing over 90 days showed no discoloration.
We organized GAP traceability ledgers for Changbai Mountain bases, SGS test reports covering 226 pesticide residue items under dual JFSL and EC396 standards, tri-lingual (Chinese-Japanese-English) COAs, REACH pre-registration documents and MSDS, and assisted the client in completing pre-import filing of raw materials with Japan’s MHLW.
After four rounds of cross-border sample delivery, full-item testing at Japanese third-party laboratories and 28 consecutive days of pilot production in the client’s GMP workshop, both customized raw material specifications fully passed Japanese access audits. The first shipment of 4.1 tons was shipped from Shanghai Port to Yokohama, passing random inspections by Japanese customs and MHLW for smooth warehousing. Post-launch, capsule content error was controlled within ±1.7%, and product rejection rate dropped to 1.02%. All batches of oral liquid remained stable without precipitation during storage, enabling the delayed new product to officially enter premium private hospitals and organic pharmacy chains in Japan.
The client signed a long-term annual procurement framework for 13.7 tons: 7.9 tons of capsule powder and 5.8 tons of water-soluble oral liquid powder, scheduled for monthly production across 11 batches per year. In the subsequent year, the client added customized high-end medical skincare-grade Coriolus Versicolor Extract, with HiSiaddi taking full charge of sampling, process adjustment and compliance management for the entire workflow. Compared with raw materials imported from Finland, overall procurement costs decreased by 31.3%, and sea freight lead time was shortened from 73 days to 20 days.
Most domestic plant extract manufacturers focus on low-cost crude powder made from greenhouse-cultivated Coriolus Versicolor, featuring loose raw material control, outdated production processes and insufficient capabilities in refined customization and export compliance support. Mid-to-high-end Japanese pharmaceutical enterprises are well-versed in stringent local drug administration standards but lack understanding of severe quality stratification within China’s Coriolus Versicolor raw material market. Independent direct sourcing often leads to customization failures and substantial financial losses.
Leveraging upstream raw material resources, proprietary extraction technologies and cross-border China-Japan compliance resources, HiSiaddi built a full-service chain covering designated raw material control, low-temperature customized extraction, powder modification, co-formula optimization and cross-border compliance. This enables high-end domestic Coriolus Versicolor Extract to steadily enter Japan’s pharmaceutical-grade premium raw material supply chain.
Please contact HiSiaddi customer service if you require further customized services.
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